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Earlier diagnosis of progressive disease during bevacizumab treatment using O-(2-18F-fluorethyl)-L-tyrosine positron emission tomography in comparison with magnetic resonance imaging.

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Antiangiogenic treatment using bevacizumab in brain tumor patients may cause difficulties in the diagnosis of tumor progression (ie, nonenhancing tumor progression). Newly defined criteria for treatment assessment and diagnosis of tumor progression (ie, RANO [Response Assessment in Neuro-Oncology]

Determination of 3-chloro-l-tyrosine as a novel indicator of chlorine poisoning utilizing gas chromatography-mass spectrometric analysis

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Chlorine gas exposure occurs in chemical warfare, industrial and household accidents. In forensic science, the generation of chlorine gas by mixing sodium hypochlorite detergent and strong acid detergent cannot be overlooked because of the possibility of suicide method (NaClO + 2HCl → NaCl +

13-week repeated dose toxicity study of l-tyrosine in rats by daily oral administration.

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To evaluate the potential toxicity of l-tyrosine, 4 groups of Crl:CD(SD) rats of both sexes were administered l-tyrosine in water suspension by gavage once daily for 13 weeks at doses of 0 (vehicle), 200, 600 or 2000 mg/kg bw/day. Findings related to l-tyrosine administration were as follows. Edema

Epileptic Activity Increases Cerebral Amino Acid Transport Assessed by 18F-Fluoroethyl-l-Tyrosine Amino Acid PET: A Potential Brain Tumor Mimic.

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O-(2-18F-fluoroethyl)-l-tyrosine (18F-FET) PET is a well-established method increasingly used for diagnosis, treatment planning, and monitoring in gliomas. Epileptic activity, frequently occurring in glioma patients, can influence MRI findings. Whether seizures also affect 18F-FET PET imaging is

Detection of tumour invasion into the pyramidal tract in glioma patients with sensorimotor deficits by correlation of (18)F-fluoroethyl-L: -tyrosine PET and magnetic resonance diffusion tensor imaging.

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OBJECTIVE Standard magnetic resonance imaging (MRI) does not depict the true extent of tumour cell invasion in gliomas. We investigated the feasibility of advanced imaging methods, i.e. diffusion tensor imaging (DTI), fibre tracking and O-(2-[(18)F]-fluoroethyl)-L: -tyrosine ((18)F-FET) PET, for the

Virtual identification of novel PPARα/γ dual agonists by scaffold hopping of saroglitazar.

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The thiazolidinedione class PPARγ agonists as antidiabetic agents are restricted in clinical use because of the side effects such as edema, weight gain, and heart failure. The single and selective agonism of PPARγ is the main cause of side effects. The multi-target cooperative PPARα/γ dual agonist

New steroidal anti-inflammatory antedrugs: methyl 21-desoxy-21-chloro-11beta,17alpha-dihydroxy-3,20-dioxo-1, 4-pregnadiene-16alpha-carboxylate, methyl 21-desoxy-21-chloro-11beta-hydroxy-3,20-dioxo-1, 4-pregnadiene-16alpha-carboxylate, and their 9alpha-fluoro derivatives*.

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To a series of 21-desoxy-21-chloro-corticosteroids, a metabolically labile methoxycarbonyl group at C-16 has been incorporated. The approach is to synthesize locally active compounds that are hydrolyzed to inactive and readily excretable acid metabolites upon entry into the systemic circulation.

New steroidal anti-inflammatory antedrugs: methyl 3,20-dioxo-9 alpha-fluoro-11 beta,17 alpha,21-trihydroxy-1,4-pregnadiene-16 alpha-carboxylate and methyl 21-acetyloxy-3,20-dioxo-11 beta, 17 alpha-dihydroxy-9 alpha-fluoro-1,4-pregnadiene-16 alpha-carboxylate.

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Focused efforts have been made to increase local-to-systemic activity ratios of potent anti-inflammatory steroids for local and/or topical applications. The approach taken in the present investigation is based upon the concept of "antedrug," defined as a locally active compound that exerts its

Role of the default mode resting-state network for cognitive functioning in malignant glioma patients following multimodal treatment

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Background: Progressive cognitive decline following multimodal neurooncological treatment is a common observation in patients suffering from malignant glioma. Alterations of the default-mode network (DMN) represent a possible source of

NTP Toxicology and Carcinogenesis Studies of alpha-Methyldopa Sesquihydrate (CAS No. 41372-08-1) in F344/N Rats and B6C3F1 Mice (Feed Studies).

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a-Methyldopa sesquihydrate is used in the treatment of hypertension; over 20 million prescriptions are written annually for a -methyldopa or a-methyldopa sesquihydrate in the United States. a-Methyldopa sesquihydrate (USP grade, greater than 99% pure) was selected for study because of widespread

[Preparation and physicochemical property of carboxymethyl-chitosan/hyaluronic acid poly(vinyl alcohol) blend membrane].

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OBJECTIVE To prepare carboxymethyl-chitosan/hyaluronic acid/poly(vinyl alcohol) (CHP) blend membrane, evaluate its physicochemical properties and intraocular biocompatibility and to investigate its feasibility to be applied to glaucoma filtering surgery. METHODS CHP blend membrane was prepared using

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